/**
 * Roberto Murcia Portfolio - Styles
 * Modern tech aesthetic with dark/light mode support
 */

/* ===== CSS Custom Properties ===== */
:root {
  /* Colors - Dark Theme (Default) */
  --color-bg-primary: #0D1117;
  --color-bg-secondary: #161B22;
  --color-bg-tertiary: #21262D;
  --color-bg-card: rgba(22, 27, 34, 0.8);

  --color-text-primary: #F0F6FC;
  --color-text-secondary: #8B949E;
  --color-text-muted: #6E7681;

  --color-accent: #00D9FF;
  --color-accent-hover: #33E1FF;
  --color-accent-glow: rgba(0, 217, 255, 0.15);
  --color-accent-gradient: linear-gradient(135deg, #00D9FF 0%, #0099CC 100%);

  --color-border: rgba(48, 54, 61, 0.8);
  --color-border-hover: rgba(0, 217, 255, 0.3);

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 20px rgba(0, 217, 255, 0.15);

  /* Typography */
  --font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 2rem;
  --font-size-4xl: 2.5rem;
  --font-size-5xl: 3.5rem;

  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  --spacing-4xl: 6rem;

  /* Layout */
  --header-height: 72px;
  --container-width: 1200px;
  --border-radius-sm: 6px;
  --border-radius-md: 12px;
  --border-radius-lg: 16px;
  --border-radius-xl: 24px;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 350ms ease;

  /* Glassmorphism */
  --glass-bg: rgba(22, 27, 34, 0.7);
  --glass-blur: blur(12px);
  --glass-border: 1px solid rgba(48, 54, 61, 0.5);
}

/* Light Theme */
[data-theme="light"] {
  --color-bg-primary: #FFFFFF;
  --color-bg-secondary: #F6F8FA;
  --color-bg-tertiary: #EAEEF2;
  --color-bg-card: rgba(246, 248, 250, 0.9);

  --color-text-primary: #1F2328;
  --color-text-secondary: #57606A;
  --color-text-muted: #8C959F;

  --color-accent: #0077B6;
  --color-accent-hover: #005A8C;
  --color-accent-glow: rgba(0, 119, 182, 0.1);

  --color-border: rgba(208, 215, 222, 0.8);
  --color-border-hover: rgba(0, 119, 182, 0.3);

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
  --shadow-glow: 0 0 20px rgba(0, 119, 182, 0.1);

  --glass-bg: rgba(255, 255, 255, 0.8);
  --glass-border: 1px solid rgba(208, 215, 222, 0.6);
}

/* ===== Reset & Base ===== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--color-text-primary);
  background-color: var(--color-bg-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* Background Pattern */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image:
    radial-gradient(circle at 1px 1px, var(--color-border) 1px, transparent 0);
  background-size: 40px 40px;
  opacity: 0.3;
  pointer-events: none;
  z-index: -1;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-accent-hover);
}

ul {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* Focus States */
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* Skip Link */
.skip-link {
  position: fixed;
  top: -100%;
  left: var(--spacing-md);
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--color-accent);
  color: var(--color-bg-primary);
  font-weight: 600;
  border-radius: var(--border-radius-sm);
  z-index: 9999;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: var(--spacing-md);
}

/* ===== Utilities ===== */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-lg);
  font-size: var(--font-size-sm);
  font-weight: 600;
  border-radius: var(--border-radius-sm);
  transition: all var(--transition-base);
  white-space: nowrap;
}

.btn--primary {
  background: var(--color-accent-gradient);
  color: var(--color-bg-primary);
  box-shadow: var(--shadow-sm);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow), var(--shadow-md);
  color: var(--color-bg-primary);
}

.btn--secondary {
  background: transparent;
  color: var(--color-text-primary);
  border: 1px solid var(--color-border);
}

.btn--secondary:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: var(--color-accent-glow);
}

/* ===== Header ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-bottom: var(--glass-border);
  z-index: 1000;
}

.header__container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.header__logo {
  display: flex;
  flex-direction: column;
  gap: 2px;
  text-decoration: none;
}

.header__name {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-text-primary);
  line-height: 1.2;
}

.header__role {
  font-size: var(--font-size-xs);
  color: var(--color-accent);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.header__nav {
  display: none;
}

@media (min-width: 1024px) {
  .header__nav {
    display: block;
  }
}

.header__nav-list {
  display: flex;
  gap: var(--spacing-xl);
}

.header__nav-link {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
  position: relative;
}

.header__nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width var(--transition-base);
}

.header__nav-link:hover,
.header__nav-link.active {
  color: var(--color-text-primary);
}

.header__nav-link:hover::after,
.header__nav-link.active::after {
  width: 100%;
}

.header__actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.header__socials {
  display: none;
  gap: var(--spacing-sm);
}

@media (min-width: 768px) {
  .header__socials {
    display: flex;
  }
}

.header__social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  color: var(--color-text-secondary);
  border-radius: var(--border-radius-sm);
  transition: all var(--transition-fast);
}

.header__social-link:hover {
  color: var(--color-accent);
  background: var(--color-accent-glow);
}

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  color: var(--color-text-secondary);
  border-radius: var(--border-radius-sm);
  transition: all var(--transition-fast);
}

.theme-toggle:hover {
  color: var(--color-accent);
  background: var(--color-accent-glow);
}

.theme-toggle__icon--moon {
  display: none;
}

[data-theme="dark"] .theme-toggle__icon--sun {
  display: none;
}

[data-theme="dark"] .theme-toggle__icon--moon {
  display: block;
}

[data-theme="light"] .theme-toggle__icon--sun {
  display: block;
}

[data-theme="light"] .theme-toggle__icon--moon {
  display: none;
}

.header__cta {
  display: inline-flex;
  padding: var(--spacing-sm);
}

.header__cta svg {
  flex-shrink: 0;
}

/* En móvil: solo mostrar el icono */
.header__cta-text {
  display: none;
}

@media (min-width: 768px) {
  .header__cta {
    padding: var(--spacing-sm) var(--spacing-lg);
  }

  .header__cta-text {
    display: inline;
  }
}

.header__menu-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 8px;
}

@media (min-width: 1024px) {
  .header__menu-toggle {
    display: none;
  }
}

.header__menu-bar {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-text-primary);
  border-radius: 2px;
  transition: all var(--transition-fast);
}

.header__menu-toggle[aria-expanded="true"] .header__menu-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.header__menu-toggle[aria-expanded="true"] .header__menu-bar:nth-child(2) {
  opacity: 0;
}

.header__menu-toggle[aria-expanded="true"] .header__menu-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Navigation */
.mobile-nav {
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-bg-primary);
  transform: translateX(100%);
  transition: transform var(--transition-base);
  z-index: 999;
  overflow-y: auto;
}

.mobile-nav.is-open {
  transform: translateX(0);
}

.mobile-nav__list {
  display: flex;
  flex-direction: column;
  padding: var(--spacing-xl);
}

.mobile-nav__link {
  display: block;
  padding: var(--spacing-md) 0;
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--color-text-primary);
  border-bottom: 1px solid var(--color-border);
  transition: color var(--transition-fast);
}

.mobile-nav__link:hover {
  color: var(--color-accent);
}

/* ===== Hero Section ===== */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: calc(var(--header-height) + var(--spacing-2xl)) var(--spacing-lg) var(--spacing-2xl);
  position: relative;
}

.hero__container {
  display: grid;
  gap: var(--spacing-3xl);
  max-width: var(--container-width);
  margin: 0 auto;
  width: 100%;
}

@media (min-width: 1024px) {
  .hero__container {
    grid-template-columns: 1fr 1fr;
    align-items: center;
  }
}

.hero__greeting {
  font-size: var(--font-size-lg);
  color: var(--color-accent);
  font-weight: 500;
  margin-bottom: var(--spacing-sm);
}

.hero__title {
  font-size: var(--font-size-4xl);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: var(--spacing-sm);
  background: linear-gradient(135deg, var(--color-text-primary) 0%, var(--color-text-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

@media (min-width: 768px) {
  .hero__title {
    font-size: var(--font-size-5xl);
  }
}

.hero__subtitle {
  font-size: var(--font-size-xl);
  font-weight: 500;
  color: var(--color-accent);
  margin-bottom: var(--spacing-lg);
}

@media (min-width: 768px) {
  .hero__subtitle {
    font-size: var(--font-size-2xl);
  }
}

.hero__tagline {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  max-width: 500px;
  margin-bottom: var(--spacing-xl);
}

.hero__values {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
}

.hero__value {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  color: var(--color-text-secondary);
}

.hero__value::before {
  content: '▸';
  color: var(--color-accent);
  font-weight: bold;
  flex-shrink: 0;
}

.hero__ctas {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.hero__visual {
  display: none;
}

@media (min-width: 1024px) {
  .hero__visual {
    display: flex;
    justify-content: center;
    align-items: center;
  }
}

.hero__decoration {
  position: relative;
}

.hero__code-block {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: var(--glass-border);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  min-width: 380px;
}

.hero__code-header {
  display: flex;
  gap: 6px;
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--color-bg-tertiary);
  border-bottom: 1px solid var(--color-border);
}

.hero__code-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-text-muted);
}

.hero__code-dot:nth-child(1) {
  background: #FF5F56;
}

.hero__code-dot:nth-child(2) {
  background: #FFBD2E;
}

.hero__code-dot:nth-child(3) {
  background: #27CA40;
}

.hero__code-content {
  padding: var(--spacing-lg);
  font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
  font-size: var(--font-size-sm);
  line-height: 1.8;
  color: var(--color-text-secondary);
}

.code-keyword {
  color: #FF79C6;
}

.code-string {
  color: #50FA7B;
}

.hero__scroll {
  display: none;
  position: absolute;
  bottom: var(--spacing-2xl);
  left: 50%;
  transform: translateX(-50%);
  color: var(--color-text-muted);
  animation: bounce 2s infinite;
}

@media (min-width: 768px) {
  .hero__scroll {
    display: block;
  }
}

@keyframes bounce {

  0%,
  20%,
  50%,
  80%,
  100% {
    transform: translateX(-50%) translateY(0);
  }

  40% {
    transform: translateX(-50%) translateY(-10px);
  }

  60% {
    transform: translateX(-50%) translateY(-5px);
  }
}

/* ===== Sections ===== */
.section {
  padding: var(--spacing-4xl) var(--spacing-lg);
}

.section__container {
  max-width: var(--container-width);
  margin: 0 auto;
}

.section__title {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  margin-bottom: var(--spacing-2xl);
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

@media (min-width: 768px) {
  .section__title {
    font-size: var(--font-size-3xl);
  }
}

.section__title-accent {
  color: var(--color-accent);
  font-family: monospace;
}

/* ===== Experience Section ===== */
.experience__timeline {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
}

.experience__item {
  position: relative;
  padding: var(--spacing-xl);
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: var(--glass-border);
  border-radius: var(--border-radius-lg);
  transition: all var(--transition-base);
}

.experience__item:hover {
  border-color: var(--color-border-hover);
  box-shadow: var(--shadow-glow);
}

.experience__item--current {
  border-color: var(--color-accent);
}



.experience__header {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.experience__company {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-text-primary);
}

.experience__role {
  font-size: var(--font-size-base);
  color: var(--color-accent);
  font-weight: 500;
}

.experience__period {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  background: var(--color-bg-tertiary);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius-sm);
}

.experience__context {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  font-style: italic;
  margin-bottom: var(--spacing-md);
}

.experience__bullets {
  margin-bottom: var(--spacing-lg);
}

.experience__bullet {
  position: relative;
  padding-left: var(--spacing-lg);
  margin-bottom: var(--spacing-sm);
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

.experience__bullet::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--color-accent);
}

.experience__tech {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.tech-chip {
  font-size: var(--font-size-xs);
  padding: var(--spacing-xs) var(--spacing-sm);
  background: var(--color-accent-glow);
  color: var(--color-accent);
  border-radius: var(--border-radius-sm);
  border: 1px solid var(--color-accent);
  font-weight: 500;
}

/* ===== Projects Section ===== */
.projects__grid {
  display: grid;
  gap: var(--spacing-xl);
}

@media (min-width: 768px) {
  .projects__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.project-card {
  position: relative;
  padding: var(--spacing-xl);
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: var(--glass-border);
  border-radius: var(--border-radius-lg);
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
}

.project-card:hover {
  border-color: var(--color-border-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.project-card__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--spacing-md);
}

.project-card__icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent-glow);
  color: var(--color-accent);
  border-radius: var(--border-radius-md);
}

.project-card__status {
  font-size: var(--font-size-xs);
  padding: var(--spacing-xs) var(--spacing-sm);
  background: var(--color-accent-glow);
  color: var(--color-accent);
  border-radius: var(--border-radius-sm);
  font-weight: 600;
}

.project-card__title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-xs);
}

.project-card__subtitle {
  font-size: var(--font-size-sm);
  color: var(--color-accent);
  margin-bottom: var(--spacing-md);
}

.project-card__description {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-lg);
  flex-grow: 1;
}

.project-card__tech {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
}

.project-card__links {
  display: flex;
  gap: var(--spacing-md);
  margin-top: auto;
}

/* ===== Skills Section ===== */
.skills__grid {
  display: grid;
  gap: var(--spacing-lg);
}

@media (min-width: 768px) {
  .skills__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .skills__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.skill-card {
  padding: var(--spacing-xl);
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: var(--glass-border);
  border-radius: var(--border-radius-lg);
  transition: all var(--transition-base);
}

.skill-card:hover {
  border-color: var(--color-border-hover);
  box-shadow: var(--shadow-glow);
}

.skill-card__header {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.skill-card__icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent-glow);
  color: var(--color-accent);
  border-radius: var(--border-radius-sm);
}

.skill-card__title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-text-primary);
}

.skill-card__items {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.skill-item {
  font-size: var(--font-size-sm);
  padding: var(--spacing-xs) var(--spacing-sm);
  background: var(--color-bg-tertiary);
  color: var(--color-text-secondary);
  border-radius: var(--border-radius-sm);
  transition: all var(--transition-fast);
}

.skill-item:hover {
  background: var(--color-accent-glow);
  color: var(--color-accent);
}

/* ===== Education Section ===== */
.education__list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.education__item {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-lg);
  padding: var(--spacing-xl);
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: var(--glass-border);
  border-radius: var(--border-radius-lg);
  transition: all var(--transition-base);
}

.education__item:hover {
  border-color: var(--color-border-hover);
  box-shadow: var(--shadow-glow);
}

.education__icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent-glow);
  color: var(--color-accent);
  border-radius: var(--border-radius-md);
  flex-shrink: 0;
}

.education__content {
  flex: 1;
}

.education__title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-xs);
}

.education__institution {
  font-size: var(--font-size-base);
  color: var(--color-accent);
  margin-bottom: var(--spacing-xs);
}

.education__year {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

/* ===== Languages Section ===== */
.languages__grid {
  display: grid;
  gap: var(--spacing-lg);
}

@media (min-width: 768px) {
  .languages__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.language-card {
  padding: var(--spacing-xl);
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: var(--glass-border);
  border-radius: var(--border-radius-lg);
  text-align: center;
  transition: all var(--transition-base);
}

.language-card:hover {
  border-color: var(--color-border-hover);
  box-shadow: var(--shadow-glow);
}

.language-card__name {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-xs);
}

.language-card__level {
  font-size: var(--font-size-sm);
  color: var(--color-accent);
  margin-bottom: var(--spacing-md);
}

.language-card__bar {
  height: 6px;
  background: var(--color-bg-tertiary);
  border-radius: 3px;
  overflow: hidden;
}

.language-card__progress {
  height: 100%;
  background: var(--color-accent-gradient);
  border-radius: 3px;
  transition: width 1s ease;
}

/* ===== About Section ===== */
.about__content {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--spacing-xl);
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: var(--glass-border);
  border-radius: var(--border-radius-lg);
}

.about__text {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  line-height: 1.8;
  text-align: center;
}

/* ===== Contact Section ===== */
.contact__content {
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
}

.contact__intro {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-xl);
}

.contact__links {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

@media (min-width: 768px) {
  .contact__links {
    flex-direction: row;
    justify-content: center;
    flex-wrap: wrap;
  }
}

.contact__link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-xl);
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: var(--glass-border);
  border-radius: var(--border-radius-md);
  color: var(--color-text-primary);
  font-weight: 500;
  transition: all var(--transition-base);
}

.contact__link:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  box-shadow: var(--shadow-glow);
}

.contact__link--email {
  background: var(--color-accent-gradient);
  color: var(--color-bg-primary);
  border: none;
  cursor: pointer;
  font-family: inherit;
  font-size: inherit;
}

.contact__link--email:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow), var(--shadow-md);
  color: var(--color-bg-primary);
}

.contact__link--email .copy-icon {
  opacity: 0.7;
  transition: opacity var(--transition-fast);
}

.contact__link--email:hover .copy-icon {
  opacity: 1;
}

/* Email/Check icon toggle for copied state */
.contact__link--email .email-icon {
  display: block;
}

.contact__link--email .check-icon {
  display: none;
}

.contact__link--email.is-copied .email-icon {
  display: none;
}

.contact__link--email.is-copied .check-icon {
  display: block;
}

.contact__link--cv:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: var(--color-accent-glow);
}

/* ===== Footer ===== */
.footer {
  padding: var(--spacing-xl) var(--spacing-lg);
  border-top: 1px solid var(--color-border);
  background: var(--color-bg-secondary);
}

.footer__container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-lg);
  max-width: var(--container-width);
  margin: 0 auto;
}

@media (min-width: 768px) {
  .footer__container {
    flex-direction: row;
    justify-content: space-between;
  }
}

.footer__copyright {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.footer__socials {
  display: flex;
  gap: var(--spacing-md);
}

.footer__socials a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  color: var(--color-text-muted);
  border-radius: var(--border-radius-sm);
  transition: all var(--transition-fast);
}

.footer__socials a:hover {
  color: var(--color-accent);
  background: var(--color-accent-glow);
}

/* ===== Modal ===== */
.modal {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-lg);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
  z-index: 2000;
}

.modal.is-open {
  opacity: 1;
  visibility: visible;
}

.modal__overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
}

.modal__content {
  position: relative;
  max-width: 400px;
  width: 100%;
  padding: var(--spacing-2xl);
  background: var(--color-bg-secondary);
  border: var(--glass-border);
  border-radius: var(--border-radius-lg);
  text-align: center;
  transform: scale(0.9);
  transition: transform var(--transition-base);
}

.modal.is-open .modal__content {
  transform: scale(1);
}

.modal__close {
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-md);
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  border-radius: var(--border-radius-sm);
  transition: all var(--transition-fast);
}

.modal__close:hover {
  color: var(--color-text-primary);
  background: var(--color-bg-tertiary);
}

.modal__icon {
  display: flex;
  justify-content: center;
  margin-bottom: var(--spacing-lg);
  color: var(--color-accent);
}

.modal__title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-md);
}

.modal__text {
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-xl);
}

.modal__actions {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

@media (min-width: 400px) {
  .modal__actions {
    flex-direction: row;
    justify-content: center;
  }
}

/* ===== Scroll Reveal Animations ===== */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}